Step Stool Type Patents (Class D25/65)
  • Plant ladder
    Patent number: D259530
    Type: Grant
    Filed: July 18, 1979
    Date of Patent: June 16, 1981
    Assignee: Dura Plastics of New York
    Inventor: Edward S. Korzon
  • Folding cabinet step
    Patent number: D260683
    Type: Grant
    Filed: May 15, 1979
    Date of Patent: September 8, 1981
    Inventor: Vera Kokoska
  • Combined step and stool
    Patent number: D262419
    Type: Grant
    Filed: December 31, 1979
    Date of Patent: December 29, 1981
    Inventor: Harold W. Cramer
  • Step stool
    Patent number: D269828
    Type: Grant
    Filed: March 2, 1981
    Date of Patent: July 26, 1983
    Inventor: Leslie C. Greene
  • Stepstool
    Patent number: D270590
    Type: Grant
    Filed: June 9, 1981
    Date of Patent: September 20, 1983
    Inventor: France Berlic
  • Step stool, or similar article
    Patent number: D273919
    Type: Grant
    Filed: February 2, 1982
    Date of Patent: May 22, 1984
    Inventor: Ralph R. Pasinski
  • Portable half-step stairway unit
    Patent number: D287283
    Type: Grant
    Filed: September 21, 1983
    Date of Patent: December 16, 1986
    Inventor: Paul R. Johnson
  • Marine boarding stepladder
    Patent number: D288719
    Type: Grant
    Filed: September 12, 1984
    Date of Patent: March 10, 1987
    Inventor: Karl K. Feist